<template>
  <div>
    <el-form ref="form" label-width="80px">
      <el-form-item label="SPU名称">
        {{ spu.spuName }}
      </el-form-item>
      <el-form-item label="SKU名称">
        <el-input placeholder="sku名称" v-model="skuInfo.skuName"></el-input>
      </el-form-item>
      <el-form-item label="价格(元)">
        <el-input placeholder="价格(元)" type="number" v-model="skuInfo.price"></el-input>
      </el-form-item>
      <el-form-item label="重量(千克)">
        <el-input placeholder="重量(千克)" v-model="skuInfo.weight"></el-input>
      </el-form-item>
      <el-form-item label="规格描述">
        <el-input type="textarea" rows="4" v-model="skuInfo.skuDesc"></el-input>
      </el-form-item>
      <el-form-item label="平台属性">
        <el-form :inline="true" ref="form" label-width="100px">
          <el-form-item :label="attr.attrName" v-for="(attr, index) in attrInfoList" :key="attr.id">
            <el-select placeholder="请选择" v-model="attr.attrIdAndValueId">
              <el-option :label="attrValue.valueName" :value="`${attr.id}:${attrValue.id}`"
                v-for="(attrValue, index1) in attr.attrValueList" :key="attrValue.id"></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <hr>
      <el-form-item label="销售属性">
        <el-form :inline="true" ref="form2" label-width="100px">
          <el-form-item :label="saleAttr.saleAttrName" v-for="(saleAttr, index) in spuSaleAttrList" :key="saleAttr.id">
            <el-select placeholder="请选择" v-model="saleAttr.attrIdAndValueId">
              <el-option :label="saleAttrValue.saleAttrValueName" :value="`${saleAttr.id}:${saleAttrValue.id}`"
                v-for="(saleAttrValue, index1) in saleAttr.spuSaleAttrValueList" :key="saleAttrValue.id"></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="图片列表">
        <el-table style="width: 100%" border="" :data="spuImageList" @selection-change="handleSelectionChange">
          <el-table-column type="selection" prop="prop" width="80" align="center">
          </el-table-column>
          <el-table-column label="图片" width="width">
            <template slot-scope="{row, $index}">
              <img :src="row.imgUrl" style="width:100px;height:100px;">
            </template>
          </el-table-column>
          <el-table-column prop="imgName" label="名称" width="width">
          </el-table-column>
          <el-table-column prop="prop" label="操作" width="width">
            <template slot-scope="{row, $index}">
              <el-button type="primary" v-if="row.isDefault == 0" @click="changeDefault(row)">设置默认</el-button>
              <el-button v-else><span style="color: green;">默认</span></el-button>
            </template>
          </el-table-column>
        </el-table>

      </el-form-item>
      <el-form-item label="">
        <el-button type="primary" @click="save">保存</el-button>
        <el-button @click="cancel">取消</el-button>
      </el-form-item>

    </el-form>
  </div>
</template>

<script>
export default {
  name: 'SkuForm',
  data() {
    return {
      spuImageList: [],
      spuSaleAttrList: [],
      attrInfoList: [],
      spu: {},
      // 收集sku数据的字段
      skuInfo: {
        category3Id: 0, //来自父组件
        spuId: 0,  //来自父组件
        tmId: 0, //来自父组件
        skuName: "",
        price: 0,
        skuDesc: "",
        weight: "",
        skuDefaultImg: "",  //默认图片
        skuAttrValueList: [
          // {
          //   attrId: 0,
          //   valueId: 0
          // }
        ],
        skuImageList: [
          // {
          //   "id": 0,
          //   "imgName": "string",
          //   "imgUrl": "string",
          //   "isDefault": "string",
          //   "skuId": 0,
          //   "spuImgId": 0
          // }
        ],
        skuSaleAttrValueList: [
          // {
          //   "saleAttrId": 0,
          //   "saleAttrValueId": 0,
          // }
        ]

      },
      //收集选中的图片的数据字段
      imageList: []
    }
  },

  methods: {
    async getData(category1Id, category2Id, spu) {
      // 收集父组件传过来的数据
      this.spu = spu
      this.skuInfo.category3Id = spu.category3Id
      this.skuInfo.spuId = spu.id
      this.skuInfo.tmId = spu.tmId

      // 获取图片信息
      const result = await this.$API.spu.reqSpuImageList(spu.id)
      if (result.code == 200) {
        let list = result.data
        list.forEach(item => {
          item.isDefault = 0
        });
        this.spuImageList = list
      }

      // 获取销售属性列表
      const result1 = await this.$API.spu.reqSpuSaleAttrList(spu.id)
      if (result1.code == 200) {
        this.spuSaleAttrList = result1.data
      }

      // 获取平台属性数据
      const result2 = await this.$API.spu.reqAttrInfoList(category1Id, category2Id, spu.category3Id)
      if (result2.code == 200) {
        this.attrInfoList = result2.data
      }

    },
    // table表格复选框按钮的事件
    handleSelectionChange(params) {
      this.imageList = params
    },

    //设置默认，排他操作
    changeDefault(row) {
      this.spuImageList.forEach(item => {
        item.isDefault = 0
      })
      row.isDefault = 1
      this.skuInfo.skuDefaultImg = row.imgUrl
    },
    //取消按钮
    cancel() {
      this.$emit('changeSceneFromSku', 0)
      // 清理数据
      Object.assign(this._data, this.$options.data())
    },
    // 保存按钮
    async save() {
      // 整理参数
      const { attrInfoList, skuInfo, spuSaleAttrList, imageList } = this

      //整理平台属性方式1
      // let arr = []
      // attrInfoList.forEach(item => {
      //   if(item.attrIdAndValueId){
      //     const [attrId, valueId] = item.attrIdAndValueId.split(':')
      //     let obj = {attrId, valueId}
      //     arr.push(obj)
      //   }
      // })
      // skuInfo.skuAttrValueList = arr

      //整理平台属性
      skuInfo.skuAttrValueList = attrInfoList.reduce((prev,item)=>{
        if(item.attrIdAndValueId){
          const [attrId, valueId] = item.attrIdAndValueId.split(':')
          prev.push({attrId, valueId})
        }
        return prev
      }, [])
      //整理销售属性
      skuInfo.skuSaleAttrValueList = spuSaleAttrList.reduce((prev,item)=>{
        if(item.attrIdAndValueId){
          const [saleAttrId, saleAttrValueId] = item.attrIdAndValueId.split(':')
          prev.push({saleAttrId, saleAttrValueId})
        }
        return prev
      }, [])
      //整理image属性
      skuInfo.skuImageList = imageList.map(item=>{
        return {
          imgName: item.imgName,
          imgUrl: item.imgUrl,
          isDefault: item.isDefault,
          spuImgId: item.id
        }
      })

      // 发请求
      const result = await this.$API.spu.reqAddSku(skuInfo)
      if(result.code == 200){
        this.$message({type:'success', message:'添加SKU成功'})
        this.$emit('changeSceneFromSku', 0)
      }else{
        this.$message('添加SKU失败')
      }



    },
  },


}
</script>

<style></style>
